Display screen or portion thereof with icon



FIG. 1 is an enlarged front view of a display screen or portion thereof with icon; showing our new design; and,

FIG. 2 is another front view thereof.

The dot dash broken lines in the drawings illustrate a portion of the display screen. The even broken lines illustrate the full display screen and surrounding electronic device. No subject matter in broken lines form part of the claimed design. 

CLAIM We claim the ornamental design for a display screen or portion thereof with icon, as shown and described. 